diff options
| -rw-r--r-- | arch/arm/mach-pxa/z2.c | 12 | ||||
| -rw-r--r-- | drivers/video/backlight/lms283gf05.c | 43 | ||||
| -rw-r--r-- | include/linux/spi/lms283gf05.h | 16 |
3 files changed, 25 insertions, 46 deletions
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index 21fd76bb09cd..89eb5243c85f 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -20,7 +20,6 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/spi/libertas_spi.h> -#include <linux/spi/lms283gf05.h> #include <linux/power_supply.h> #include <linux/mtd/physmap.h> #include <linux/gpio.h> @@ -578,8 +577,13 @@ static struct pxa2xx_spi_chip lms283_chip_info = { .gpio_cs = GPIO88_ZIPITZ2_LCD_CS, }; -static const struct lms283gf05_pdata lms283_pdata = { - .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET, +static struct gpiod_lookup_table lms283_gpio_table = { + .dev_id = "spi2.0", /* SPI bus 2 chip select 0 */ + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET, + "reset", GPIO_ACTIVE_LOW), + { }, + }, }; static struct spi_board_info spi_board_info[] __initdata = { @@ -595,7 +599,6 @@ static struct spi_board_info spi_board_info[] __initdata = { { .modalias = "lms283gf05", .controller_data = &lms283_chip_info, - .platform_data = &lms283_pdata, .max_speed_hz = 400000, .bus_num = 2, .chip_select = 0, @@ -615,6 +618,7 @@ static void __init z2_spi_init(void) { pxa2xx_set_spi_info(1, &pxa_ssp1_master_info); pxa2xx_set_spi_info(2, &pxa_ssp2_master_info); + gpiod_add_lookup_table(&lms283_gpio_table); spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); } #else diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index 0e45685bcc1c..36856962ed83 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -9,16 +9,16 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/slab.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/lcd.h> #include <linux/spi/spi.h> -#include <linux/spi/lms283gf05.h> #include <linux/module.h> struct lms283gf05_state { struct spi_device *spi; struct lcd_device *ld; + struct gpio_desc *reset; }; struct lms283gf05_seq { @@ -90,13 +90,13 @@ static const struct lms283gf05_seq disp_pdwnseq[] = { }; -static void lms283gf05_reset(unsigned long gpio, bool inverted) +static void lms283gf05_reset(struct gpio_desc *gpiod) { - gpio_set_value(gpio, !inverted); + gpiod_set_value(gpiod, 0); /* De-asserted */ mdelay(100); - gpio_set_value(gpio, inverted); + gpiod_set_value(gpiod, 1); /* Asserted */ mdelay(20); - gpio_set_value(gpio, !inverted); + gpiod_set_value(gpiod, 0); /* De-asserted */ mdelay(20); } @@ -125,18 +125,15 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power) { struct lms283gf05_state *st = lcd_get_data(ld); struct spi_device *spi = st->spi; - struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev); if (power <= FB_BLANK_NORMAL) { - if (pdata) - lms283gf05_reset(pdata->reset_gpio, - pdata->reset_inverted); + if (st->reset) + lms283gf05_reset(st->reset); lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq)); } else { lms283gf05_toggle(spi, disp_pdwnseq, ARRAY_SIZE(disp_pdwnseq)); - if (pdata) - gpio_set_value(pdata->reset_gpio, - pdata->reset_inverted); + if (st->reset) + gpiod_set_value(st->reset, 1); /* Asserted */ } return 0; @@ -150,24 +147,18 @@ static struct lcd_ops lms_ops = { static int lms283gf05_probe(struct spi_device *spi) { struct lms283gf05_state *st; - struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev); struct lcd_device *ld; - int ret = 0; - - if (pdata != NULL) { - ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio, - GPIOF_DIR_OUT | (!pdata->reset_inverted ? - GPIOF_INIT_HIGH : GPIOF_INIT_LOW), - "LMS283GF05 RESET"); - if (ret) - return ret; - } st = devm_kzalloc(&spi->dev, sizeof(struct lms283gf05_state), GFP_KERNEL); if (st == NULL) return -ENOMEM; + st->reset = gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(st->reset)) + return PTR_ERR(st->reset); + gpiod_set_consumer_name(st->reset, "LMS283GF05 RESET"); + ld = devm_lcd_device_register(&spi->dev, "lms283gf05", &spi->dev, st, &lms_ops); if (IS_ERR(ld)) @@ -179,8 +170,8 @@ static int lms283gf05_probe(struct spi_device *spi) spi_set_drvdata(spi, st); /* kick in the LCD */ - if (pdata) - lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted); + if (st->reset) + lms283gf05_reset(st->reset); lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq)); return 0; diff --git a/include/linux/spi/lms283gf05.h b/include/linux/spi/lms283gf05.h deleted file mode 100644 index f237b2d062e9..000000000000 --- a/include/linux/spi/lms283gf05.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * lms283gf05.h - Platform glue for Samsung LMS283GF05 LCD - * - * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com> -*/ - -#ifndef _INCLUDE_LINUX_SPI_LMS283GF05_H_ -#define _INCLUDE_LINUX_SPI_LMS283GF05_H_ - -struct lms283gf05_pdata { - unsigned long reset_gpio; - bool reset_inverted; -}; - -#endif /* _INCLUDE_LINUX_SPI_LMS283GF05_H_ */ |